Align the piping, established the joint at neutral length, implement even bolt torque in a star pattern, and assure guides and anchors are installed to spec. fifteen. Use two wrenches when tightening bolts. When tightening the back again up rings of rubber flanges, tighten bolts in cross pattern sequence right https://bellowsexpansionjoint57923.shotblogs.com/how-to-select-expansion-joint-for-piping-no-further-a-mystery-53417260